Windows Nt - 3Com 3C509B User Manual

Changing the I/O Base Address or the Interrupt Request Level

Windows NT

Follow these steps to change the IRQ level assignment
or the I/O base address in a Windows NT PC:
1 Click Start in the Windows NT taskbar.
2 Select Programs, then 3Com NIC Utilities, and
then 3COM NIC DOCTOR to start the 3Com NIC
Diagnostics program.
The General tab of the 3Com NIC Diagnostics
program appears.
3 Select the Configuration tab.
4 Select the resource (I/O base address or interrupt
request level) that you want to change in the
Network Parameter column of the list box.
The current value for that parameter appears in the
Set Value entry box.
5 Scroll to the value that you want to assign, and then
click OK.
6 If you change the I/O base address, before you restart
Windows NT, make sure that the address that you
assign matches the I/O base address on the Adapters
tab screen.
Follow these steps to verify the base addresses:
a Double-click the My Computer icon, double-click the
b Click Properties.
c Click OK to close the 3Com NIC Diagnostics program.
7 Restart the PC.
The hardware conflict should be resolved. If not, consult
your system administrator.
Control Panel icon, double-click the Network icon, and
then select the Adapters tab.
3Com EtherLink 10 (3C509b) ISA Adapter is selected.
The I/O Port Address value appears in the scroll box on
the 3Com EtherLink 10 Adapter Card Setup screen.
Ensure that this value matches the value set in step 4.
To change this value, scroll to the matching value, and
then click OK.
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